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<FONT color="green">001</FONT>    package org.hackystat.sensor.ant.util;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.File;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.ArrayList;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.Collection;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.HashMap;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.util.Set;<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>    /**<a name="line.9"></a>
<FONT color="green">010</FONT>     * Provides a facility for mapping fully qualified Java class names to their corresponding<a name="line.10"></a>
<FONT color="green">011</FONT>     * fully qualified Java source files.  Also allows retrieval of the source directory <a name="line.11"></a>
<FONT color="green">012</FONT>     * corresponding to a package name.<a name="line.12"></a>
<FONT color="green">013</FONT>     * <a name="line.13"></a>
<FONT color="green">014</FONT>     * @author (Cedric) Qin Zhang<a name="line.14"></a>
<FONT color="green">015</FONT>     */<a name="line.15"></a>
<FONT color="green">016</FONT>    public class JavaClass2FilePathMapper {<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>      /** Used to create an internal list of fully qualified source files with the same separator. */<a name="line.18"></a>
<FONT color="green">019</FONT>      private static final char CANONICAL_SEPARATOR = '/';<a name="line.19"></a>
<FONT color="green">020</FONT>      /** The initial file names, with any separator. */<a name="line.20"></a>
<FONT color="green">021</FONT>      private ArrayList&lt;String&gt; originalFileNames;<a name="line.21"></a>
<FONT color="green">022</FONT>      /** The canonical file names, all with the '/' separator. */<a name="line.22"></a>
<FONT color="green">023</FONT>      private ArrayList&lt;String&gt; canonicalfileNames;<a name="line.23"></a>
<FONT color="green">024</FONT>    <a name="line.24"></a>
<FONT color="green">025</FONT>      /**<a name="line.25"></a>
<FONT color="green">026</FONT>       * A map with the edited package path as the key and the original package path<a name="line.26"></a>
<FONT color="green">027</FONT>       * as the value.<a name="line.27"></a>
<FONT color="green">028</FONT>       */<a name="line.28"></a>
<FONT color="green">029</FONT>      private HashMap&lt;String, String&gt; packagePathMap = new HashMap&lt;String, String&gt;();<a name="line.29"></a>
<FONT color="green">030</FONT>    <a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>      <a name="line.32"></a>
<FONT color="green">033</FONT>      /**<a name="line.33"></a>
<FONT color="green">034</FONT>       * This constructor accepts a list of file names, and processes this list to<a name="line.34"></a>
<FONT color="green">035</FONT>       * build two parallel arrays. The first array contains all of the .java file<a name="line.35"></a>
<FONT color="green">036</FONT>       * names found in the passed list, and the second contains these same file<a name="line.36"></a>
<FONT color="green">037</FONT>       * names with the path separator replaced by a canonical separator.<a name="line.37"></a>
<FONT color="green">038</FONT>       * <a name="line.38"></a>
<FONT color="green">039</FONT>       * @param fullyQualifiedFileNames A collection of string representing fully<a name="line.39"></a>
<FONT color="green">040</FONT>       * qualified file paths or directory path for java files.<a name="line.40"></a>
<FONT color="green">041</FONT>       */<a name="line.41"></a>
<FONT color="green">042</FONT>      public JavaClass2FilePathMapper(Collection&lt;File&gt; fullyQualifiedFileNames) {<a name="line.42"></a>
<FONT color="green">043</FONT>        this.originalFileNames = new ArrayList&lt;String&gt;(fullyQualifiedFileNames.size());<a name="line.43"></a>
<FONT color="green">044</FONT>        this.canonicalfileNames = new ArrayList&lt;String&gt;(fullyQualifiedFileNames.size());<a name="line.44"></a>
<FONT color="green">045</FONT>        for (File file : fullyQualifiedFileNames) {<a name="line.45"></a>
<FONT color="green">046</FONT>          // Allow either 'real' files or file names ending with .java that don't<a name="line.46"></a>
<FONT color="green">047</FONT>          // currently exist.<a name="line.47"></a>
<FONT color="green">048</FONT>          if (file.isFile() || file.getAbsolutePath().endsWith(".java")) {<a name="line.48"></a>
<FONT color="green">049</FONT>            addFile(file.getAbsolutePath());<a name="line.49"></a>
<FONT color="green">050</FONT>          }<a name="line.50"></a>
<FONT color="green">051</FONT>          else if (file.isDirectory()) {<a name="line.51"></a>
<FONT color="green">052</FONT>            traverseDirectory(file);<a name="line.52"></a>
<FONT color="green">053</FONT>          }<a name="line.53"></a>
<FONT color="green">054</FONT>          // splits the path string into the parent path without a slash char at<a name="line.54"></a>
<FONT color="green">055</FONT>          // the end<a name="line.55"></a>
<FONT color="green">056</FONT>          // ex. C:\home\austen or /home/austen<a name="line.56"></a>
<FONT color="green">057</FONT>          String[] originalPath = file.getAbsolutePath().split(".\\w+\\.java");<a name="line.57"></a>
<FONT color="green">058</FONT>          // adds the parent path to a hashmap<a name="line.58"></a>
<FONT color="green">059</FONT>          String editedPath = originalPath[0].replace('\\', CANONICAL_SEPARATOR);<a name="line.59"></a>
<FONT color="green">060</FONT>          this.packagePathMap.put(editedPath, originalPath[0]);<a name="line.60"></a>
<FONT color="green">061</FONT>        }<a name="line.61"></a>
<FONT color="green">062</FONT>      }<a name="line.62"></a>
<FONT color="green">063</FONT>      <a name="line.63"></a>
<FONT color="green">064</FONT>      /**<a name="line.64"></a>
<FONT color="green">065</FONT>       * This constructor accepts a list of file names, and processes this list to<a name="line.65"></a>
<FONT color="green">066</FONT>       * build two parallel arrays. The first array contains all of the .java file<a name="line.66"></a>
<FONT color="green">067</FONT>       * names found in the passed list, and the second contains these same file<a name="line.67"></a>
<FONT color="green">068</FONT>       * names with the path separator replaced by a canonical separator.<a name="line.68"></a>
<FONT color="green">069</FONT>       * <a name="line.69"></a>
<FONT color="green">070</FONT>       * @param fullyQualifiedFileNames A collection of string representing fully<a name="line.70"></a>
<FONT color="green">071</FONT>       * qualified file paths or directory path for java files.<a name="line.71"></a>
<FONT color="green">072</FONT>       */<a name="line.72"></a>
<FONT color="green">073</FONT>      public JavaClass2FilePathMapper(Set&lt;String&gt; fullyQualifiedFileNames) {<a name="line.73"></a>
<FONT color="green">074</FONT>        this.originalFileNames = new ArrayList&lt;String&gt;(fullyQualifiedFileNames.size());<a name="line.74"></a>
<FONT color="green">075</FONT>        this.canonicalfileNames = new ArrayList&lt;String&gt;(fullyQualifiedFileNames.size());<a name="line.75"></a>
<FONT color="green">076</FONT>        for (String file : fullyQualifiedFileNames) {<a name="line.76"></a>
<FONT color="green">077</FONT>          addFile(file);<a name="line.77"></a>
<FONT color="green">078</FONT>          // splits the path string into the parent path without a slash char at the end<a name="line.78"></a>
<FONT color="green">079</FONT>          // ex. C:\home\austen or /home/austen<a name="line.79"></a>
<FONT color="green">080</FONT>          String[] originalPath = file.split(".\\w+\\.java");<a name="line.80"></a>
<FONT color="green">081</FONT>          // adds the parent path to a hashmap<a name="line.81"></a>
<FONT color="green">082</FONT>          String editedPath = originalPath[0].replace('\\', CANONICAL_SEPARATOR);<a name="line.82"></a>
<FONT color="green">083</FONT>          this.packagePathMap.put(editedPath, originalPath[0]);<a name="line.83"></a>
<FONT color="green">084</FONT>        }<a name="line.84"></a>
<FONT color="green">085</FONT>      }<a name="line.85"></a>
<FONT color="green">086</FONT>        <a name="line.86"></a>
<FONT color="green">087</FONT>    <a name="line.87"></a>
<FONT color="green">088</FONT>      /**<a name="line.88"></a>
<FONT color="green">089</FONT>       * Recursively traverses the passed directory, invoking "addFile" on all files<a name="line.89"></a>
<FONT color="green">090</FONT>       * found.<a name="line.90"></a>
<FONT color="green">091</FONT>       * <a name="line.91"></a>
<FONT color="green">092</FONT>       * @param dir The directory to traverse.<a name="line.92"></a>
<FONT color="green">093</FONT>       */<a name="line.93"></a>
<FONT color="green">094</FONT>      private void traverseDirectory(File dir) {<a name="line.94"></a>
<FONT color="green">095</FONT>        File[] files = dir.listFiles();<a name="line.95"></a>
<FONT color="green">096</FONT>        for (int i = 0; i &lt; files.length; i++) {<a name="line.96"></a>
<FONT color="green">097</FONT>          File file = files[i];<a name="line.97"></a>
<FONT color="green">098</FONT>          if (file.isFile()) {<a name="line.98"></a>
<FONT color="green">099</FONT>            addFile(file.getAbsolutePath());<a name="line.99"></a>
<FONT color="green">100</FONT>          }<a name="line.100"></a>
<FONT color="green">101</FONT>          else if (file.isDirectory()) {<a name="line.101"></a>
<FONT color="green">102</FONT>            traverseDirectory(file);<a name="line.102"></a>
<FONT color="green">103</FONT>          }<a name="line.103"></a>
<FONT color="green">104</FONT>        }<a name="line.104"></a>
<FONT color="green">105</FONT>      }<a name="line.105"></a>
<FONT color="green">106</FONT>    <a name="line.106"></a>
<FONT color="green">107</FONT>      /**<a name="line.107"></a>
<FONT color="green">108</FONT>       * Updates our parallel arrays if the passed File is a Java file.<a name="line.108"></a>
<FONT color="green">109</FONT>       * <a name="line.109"></a>
<FONT color="green">110</FONT>       * @param fileName A file name, which might be a Java file.<a name="line.110"></a>
<FONT color="green">111</FONT>       */<a name="line.111"></a>
<FONT color="green">112</FONT>      private void addFile(String fileName) {<a name="line.112"></a>
<FONT color="green">113</FONT>        try {<a name="line.113"></a>
<FONT color="green">114</FONT>          if (fileName.endsWith(".java")) {<a name="line.114"></a>
<FONT color="green">115</FONT>            String canonicalFileName = fileName.substring(0, fileName.length() - 5).replace('\\',<a name="line.115"></a>
<FONT color="green">116</FONT>                CANONICAL_SEPARATOR);<a name="line.116"></a>
<FONT color="green">117</FONT>            this.originalFileNames.add(fileName);<a name="line.117"></a>
<FONT color="green">118</FONT>            this.canonicalfileNames.add(canonicalFileName);<a name="line.118"></a>
<FONT color="green">119</FONT>          }<a name="line.119"></a>
<FONT color="green">120</FONT>        }<a name="line.120"></a>
<FONT color="green">121</FONT>        catch (Exception e) {<a name="line.121"></a>
<FONT color="green">122</FONT>          // do nothing<a name="line.122"></a>
<FONT color="green">123</FONT>          return;<a name="line.123"></a>
<FONT color="green">124</FONT>        }<a name="line.124"></a>
<FONT color="green">125</FONT>      }<a name="line.125"></a>
<FONT color="green">126</FONT>    <a name="line.126"></a>
<FONT color="green">127</FONT>      /**<a name="line.127"></a>
<FONT color="green">128</FONT>       * Returns a string containing the java file name corresponding to the passed<a name="line.128"></a>
<FONT color="green">129</FONT>       * class name.<a name="line.129"></a>
<FONT color="green">130</FONT>       * <a name="line.130"></a>
<FONT color="green">131</FONT>       * @param fullyQualifiedClassName The java class name.<a name="line.131"></a>
<FONT color="green">132</FONT>       * @return The java file name, or null if there is no mapping information.<a name="line.132"></a>
<FONT color="green">133</FONT>       */<a name="line.133"></a>
<FONT color="green">134</FONT>      public String getFilePath(String fullyQualifiedClassName) {<a name="line.134"></a>
<FONT color="green">135</FONT>        // Note that this uses linear search. Improve if this is too slow.<a name="line.135"></a>
<FONT color="green">136</FONT>        String searchString = fullyQualifiedClassName.replace('.', CANONICAL_SEPARATOR);<a name="line.136"></a>
<FONT color="green">137</FONT>        int indexOfFirstDollarSign = searchString.indexOf('$');<a name="line.137"></a>
<FONT color="green">138</FONT>        if (indexOfFirstDollarSign &gt;= 0) {<a name="line.138"></a>
<FONT color="green">139</FONT>          searchString = searchString.substring(0, indexOfFirstDollarSign);<a name="line.139"></a>
<FONT color="green">140</FONT>        }<a name="line.140"></a>
<FONT color="green">141</FONT>        int size = this.canonicalfileNames.size();<a name="line.141"></a>
<FONT color="green">142</FONT>        for (int i = 0; i &lt; size; i++) {<a name="line.142"></a>
<FONT color="green">143</FONT>          String canonicalFileName = this.canonicalfileNames.get(i);<a name="line.143"></a>
<FONT color="green">144</FONT>          if (canonicalFileName.endsWith(searchString)) {<a name="line.144"></a>
<FONT color="green">145</FONT>            return this.originalFileNames.get(i);<a name="line.145"></a>
<FONT color="green">146</FONT>          }<a name="line.146"></a>
<FONT color="green">147</FONT>        }<a name="line.147"></a>
<FONT color="green">148</FONT>        return null;<a name="line.148"></a>
<FONT color="green">149</FONT>      }<a name="line.149"></a>
<FONT color="green">150</FONT>    <a name="line.150"></a>
<FONT color="green">151</FONT>      /**<a name="line.151"></a>
<FONT color="green">152</FONT>       * Returns the canonical file names array.<a name="line.152"></a>
<FONT color="green">153</FONT>       * <a name="line.153"></a>
<FONT color="green">154</FONT>       * @return The array of canonical file names.<a name="line.154"></a>
<FONT color="green">155</FONT>       */<a name="line.155"></a>
<FONT color="green">156</FONT>      @Override<a name="line.156"></a>
<FONT color="green">157</FONT>      public String toString() {<a name="line.157"></a>
<FONT color="green">158</FONT>        return this.originalFileNames.toString();<a name="line.158"></a>
<FONT color="green">159</FONT>      }<a name="line.159"></a>
<FONT color="green">160</FONT>    <a name="line.160"></a>
<FONT color="green">161</FONT>      /**<a name="line.161"></a>
<FONT color="green">162</FONT>       * Returns the path associated with a package name. If a path is not found, an<a name="line.162"></a>
<FONT color="green">163</FONT>       * empty string is returned.<a name="line.163"></a>
<FONT color="green">164</FONT>       * <a name="line.164"></a>
<FONT color="green">165</FONT>       * @param packageName the name of the package.<a name="line.165"></a>
<FONT color="green">166</FONT>       * @return the path associated with the package name. An empty string is<a name="line.166"></a>
<FONT color="green">167</FONT>       * returned if a path is not found.<a name="line.167"></a>
<FONT color="green">168</FONT>       */<a name="line.168"></a>
<FONT color="green">169</FONT>      public String getPackagePath(String packageName) {<a name="line.169"></a>
<FONT color="green">170</FONT>        String tempPackageName = packageName.replace('.', CANONICAL_SEPARATOR);<a name="line.170"></a>
<FONT color="green">171</FONT>        for (String path : this.packagePathMap.keySet()) {<a name="line.171"></a>
<FONT color="green">172</FONT>          if (path.endsWith(tempPackageName)) {<a name="line.172"></a>
<FONT color="green">173</FONT>            return this.packagePathMap.get(path);<a name="line.173"></a>
<FONT color="green">174</FONT>          }<a name="line.174"></a>
<FONT color="green">175</FONT>        }<a name="line.175"></a>
<FONT color="green">176</FONT>        return "";<a name="line.176"></a>
<FONT color="green">177</FONT>      }<a name="line.177"></a>
<FONT color="green">178</FONT>    }<a name="line.178"></a>




























































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